Debian Security Bug TrackerDEBIANCVE:CVE-2021-26690CVE-2021-26690
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.055 Low
EPSS
Percentile
93.1%
Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by mod_session can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | apache2 | < 2.4.46-6 | apache2_2.4.46-6_all.deb |
| Debian | 11 | all | apache2 | < 2.4.46-6 | apache2_2.4.46-6_all.deb |
| Debian | 10 | all | apache2 | < 2.4.38-3+deb10u5 | apache2_2.4.38-3+deb10u5_all.deb |
| Debian | 999 | all | apache2 | < 2.4.46-6 | apache2_2.4.46-6_all.deb |
| Debian | 13 | all | apache2 | < 2.4.46-6 | apache2_2.4.46-6_all.deb |
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.055 Low
EPSS
Percentile
93.1%